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Very common ESP pump completion ivolves a formation that will flow naturally, but where kill weight fluids would damage the formation during a workover. Wireline access to the formation for logging and monitoring purposes is desired.
The Y-Block in the production string allows wireline access below the pump and motor assembly through the tubing for these purposes. In the event of a workover, a wireline blanking plug can be set below the seal bore packer to maintain well control while the upper section of the completion is removed from the well.
The production normally flows from the producing formation below the seal bore packer, through the sliding sleeve, and into the annulus and pump inlet.
If desired, the sleeve can be closed to permit direct production from the formation to the surface, bypassing the pump.
In certain applications, it is desired to monitor the well continuously. Optional feed-thru passages in the ESP Packer can facilitate running of downhole gauges.
The ESP Packer is hydraulic set, a temporarily plugging the tubing like the seating nipple for use with the wireline retrievable plug.
Pump pressure applied down the tubing string provides actuation of the packer’s setting mechanism.
The Retrievable ESP Packer is normally included a shear release mechanism requiring only straight pull on the packer to release the completion string.
The completion design must consider potential forces acting on the shear release ring particularly when future well treatments are expected.
The Chemical Injection Systems offers downhole continuous injection that is a tried and proven method to treat your wells for the prevention of downhole corrosion, scale, parrafin, emulsion and hydrates. No exoting tubing or high priced completions are required when using our injection lines in your completions.
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